#include <stdio.h>
#include <malloc.h>

struct weapon{
    int price;
    int atk;
    struct weapon * next;
};

struct weapon *create(){
    struct weapon * head;
    struct weapon * p1,* p2;
    int n=0;
    p1=p2=(struct weapon*)malloc(sizeof(struct weapon));
    scanf("%d,%d",&p1->price,&p1->atk);
    head=NULL;
    while(p1->price!=0){
        n++;
        if(n==1) head=p1;
        else p2->next=p1;
        p2=p1;
        p1=(struct weapon*)malloc(sizeof(struct weapon));
        scanf("%d,%d",&p1->price,&p1->atk);
    }
    p2->next=NULL;
    return (head);
};

int main()
{
    struct weapon *p;
    p=create();
    printf("%d,%d\n",p->price,p->atk);
    return 0;
}
